"brt:id"=>"NL.TOP10NL.100255893","brontype"=>"luchtfoto","brt:type"=>"brandtoren","brt:datum"=>"2010-01-01","source_ref"=>"http://www.kadaster.nl/web/Themas/Registraties/brt.htm","brt:height_class"=>"laagbouw"
"technology"=>"GSM 1800;GSM 900;UMTS","tower:type"=>"communication"
"technology"=>"GSM 1800;GSM 900","tower:type"=>"communication"